| (1.Department of Physical Education, Shenzhen University, Shenzhen 518060,China；2.Shenzhen Fairplay Electronics Co.,Shenzhen 518052,China) Abstract:The principle and advantages of Slit Video Timer are given in this paper briefly.The paper also describes the application of the Slit Video Timer in our country currently.It is necessary popularizing the Slit Video Timer.Some problems in popularization of Slit Video Timer and the way it be solved are discussed.
Key words:track and field events； slit video timer； referee working way |
